BIBLIOGRAPHIC LIST OF GENEKA A^'D SPECIES. 337 



Cyclostoinlceras minimum (Whiiiield). 



Gomphoceras minimum Whitfield, Bull. Amer. Mus. Nat. Hiat., 1, 1886, p. 321, 



pi. 27, figs. 3-5. 

 Oyclo.slomiceras minimum Ruedemauu, Bull. New York State Mua., 90, 1906, 



p. 502, pi. 35, figs. 5-6, fig. 57. 

 Canadian (Beekmanto-wu) : Fort Cas-sin, Vermont. 



Cyclostomlceras orodes (Billings). 



t'yrloceraH Orodes Billings, Pal. Foss., 1, Geol. Sun'. Canada (adv. sheets, 1862), 



1865, p. 162.— \Miiteave9, Pal. Fosa., Geol. Surv. Canada, 3, pt. 2, 1895, p. 



103, pi. 14, figs. 7, 7a, 8a, b, 9.— Clarke and Ruedemann, Mem. New York 



State Mus., 5, 1903, p. 88, pi. 15, fig. 3-11. 

 Cyrtoceras (Cyclostomiceraa) orodes Grabau, Mchigan, Geol. Siurv., Geol. Ser., 1, 



1909, p. 197, pi. 28, figs. 6, 7; pi. 29, figs. 2, 3. 

 Cyclostomiceraa orodes Grabau and Shimer, N. A. Index Fosails, 2, 1910, p. 120, 



fig. 1358-60. 

 Niagaran (Guelph): New Hope, Ontario. 

 Monroan (Amherstburg and Raisin River) : Detroit River region. 



Cylicocrixus Miller. See Barrandeocrinus Angelin. 



CYLINDROC(ELIA Ulrich. Genotype: C. endoceroidea Ubich. 



Cylindrocoelia Ulrich, Amer. Geol., 3, 1889, pp. 235, 245.— MUer, N. A. Geol. 

 Pal., 1889, p. 158.— James, Jour. Cincinnati Soc. Nat. Hist., 14, 1891, p. 56.— 

 Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 77. 



Cylludrocoella covlngtonensis Ulrich. 



Cylindrocoilia covingtonensis Ulrich, Amer. Geol., 3, 1889, p. 247. — Jamea, J. F., 



Jour. Cincinnati Soc. Nat. Hist., 14, pt. 1, 1891, p. 66. 

 Maysville (Fairmount): Covington, Kentucky. 

 (■otypes. —Cat. No. 46550, U.S.N.M. 



Cyliudrocoelia endoceroidea Ulrich. 



Cylindrocojlia endoceroidea Ulrich, Amer. Geol., 3, 1889, p. 246, figs. 9, 10. 

 Black River (Lowville): High Bridge, Kentucky. 



Cyiindrocoella minnesotensis Uhich. 



Cylindroccelia minnesotensis Ulrich, Amer. Geol., 3, 1889, p. 248. — ^^'inchell and 



Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 78, pi. G, figs. 1-3. 

 Black River (Decorah): Minneapolis, St. Paul, and Fountain, Minnesota. 

 rotypcs.—C&t. Nos. 46551, 46552, U.S.N.M. 



Cyiindrocoella minor Ulrich. 



Cylindroccelia minor Ulrich, Amer. Geol., 3, 1889, p. 248. 

 Trenton: Harrodsburg Junction, Kentucky. 



CTLINDROHELIUM Grabau. Genotype: C. profuudum Grabau. 



Cyliudrohelium Grabau, Geol, Surv. Michigan, Geol. Ser., 1, 1909, p. 102. 



Cyllndrohelliim heliophylloldes Grabau. 



Cylindrohelium heliophylloides Grabau, Geol. Surv. Michigan, Geol. Ser., 1, 



1909, p. 103, pi. 10, fig. 7. 

 Upper Monroan (Lucas) : Salt shaft, Detroit, Michigan. 



Clyllndroliellum profundum Grabau. 



Cylindrohelium profundum Grabau, Geol. Surv. Miclugan, Geol. Ser., 1, 1909, 



p. 102, pi. 11, figs. 4-6, 7. 

 Upper Monroan (Lucas): Salt shaft, Detroit, Michigan; near Sylvania. Ohio. 

 Silurian: North Fork of Saskatchewan River. Canada. 



84243"— Bull. i>2— 15 22 



